Adjustable chain latch



FIG. 1 is an isometric view of the adjustable chain latch showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right or left side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left end view thereof; and,

FIG. 6 is a right end view thereof.

The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM A ornamental design for an adjustable chain latch, as shown and described. 